forked from OSchip/llvm-project
57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
//===- Unix/TimeValue.cpp - Unix TimeValue Implementation -------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the Unix specific portion of the TimeValue class.
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//
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//===----------------------------------------------------------------------===//
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//===----------------------------------------------------------------------===//
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//=== WARNING: Implementation here must contain only generic UNIX code that
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//=== is guaranteed to work on *all* UNIX variants.
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//===----------------------------------------------------------------------===//
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#include "Unix.h"
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namespace llvm {
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using namespace sys;
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std::string TimeValue::str() const {
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char buffer[32];
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time_t ourTime = time_t(this->toEpochTime());
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#ifdef __hpux
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// note that the following line needs -D_REENTRANT on HP-UX to be picked up
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asctime_r(localtime(&ourTime), buffer);
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#else
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::asctime_r(::localtime(&ourTime), buffer);
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#endif
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std::string result(buffer);
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return result.substr(0,24);
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}
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TimeValue TimeValue::now() {
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struct timeval the_time;
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timerclear(&the_time);
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if (0 != ::gettimeofday(&the_time,0)) {
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// This is *really* unlikely to occur because the only gettimeofday
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// errors concern the timezone parameter which we're passing in as 0.
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// In the unlikely case it does happen, just return MinTime, no error
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// message needed.
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return MinTime;
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}
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return TimeValue(
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static_cast<TimeValue::SecondsType>( the_time.tv_sec + PosixZeroTime.seconds_ ),
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static_cast<TimeValue::NanoSecondsType>( the_time.tv_usec *
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NANOSECONDS_PER_MICROSECOND ) );
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}
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}
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